2003 Acura CL Speaker Sizes

The 2003 Acura CL speaker size chart provides specifications for factory and aftermarket audio system components. Information includes speaker locations within the vehicle, including a-pillar, front door panel, and rear deck lid positions. Details cover replacement and upgrade options for factory-installed speakers, with specifications applicable to aftermarket installations.

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Speaker Details by Location
Location Size Type Notes
A-Pillar 1 Tweeter
  • Requires panel disassembly
  • Professional installation recommended
  • Low replacement priority
  • Replacement difficulty: high
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6x9 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

2003 Acura CL Speaker Replacement Summary

3 total positions
2 easy to replace
1 high priority
1 professional only

Replacement difficulty:

Low: 2 Medium: 0 High: 1

Replacement priority:

High: 1 Medium: 1 Low: 1

2003 Acura CL Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Single DIN or Double DIN 7"×2" or 7"×4" 180×50 or 180×100 Vehicle supports both radio sizes
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The front door panels in the 2003 Acura CL accommodate 6.5-inch drivers that could accept either midbass or full-range configurations, suggesting this location serves as the primary sound source for front occupants.
  • A-pillar positions fitted with 1-inch tweeters indicate a factory high-frequency staging setup, which separates treble reproduction from the larger door-mounted drivers.
  • Rear deck lid openings measure 6x9 inches and support full-range speakers, providing rear fill audio without dedicated bass or treble separation.
  • The factory tweeter locations might benefit from aftermarket upgrades before addressing other positions, as high-frequency clarity tends to influence perceived overall sound quality substantially.
  • Replacing the front door speakers could yield noticeable improvements in midrange definition and bass response, particularly if the original full-range units have degraded over time.
  • Component speaker systems would likely integrate well into the 2003 Acura CL, using the existing A-pillar tweeter positions alongside upgraded 6.5-inch woofers in the doors.
  • The 6x9-inch rear deck speakers handle a broader frequency range without separate tweeters, which may limit their ability to reproduce detailed high frequencies compared to component configurations.
  • Both Single DIN and Double DIN head unit compatibility provides flexibility for aftermarket radio installations with modern features like Bluetooth or enhanced equalization controls.
  • Aftermarket midbass drivers in the front doors would likely handle mid and low frequencies more effectively than generic full-range replacements, especially when paired with the existing tweeters.
  • The three-position speaker layout suggests a factory audio design prioritizing frontstage imaging through the A-pillar and door combination, with the rear deck providing ambient fill.